A Novel Ground Fault Identification Method for 2 × 5 kV Railway Power Supply Systems.Published in:Energies (19961073), 2015, v. 8, n. 7, p. 7020, doi. 10.3390/en8077020By:Serrano, Jesus;Platero, Carlos A.;López-Toledo, Maximo;Granizo, RicardoPublication type:Article